September 23, 2008
12:01 AM (EDT)

News Release Number: STScI-2008-36

STScI Astrophysicist Adam Riess Receives MacArthur Fellowship

September 23, 2008: The John D. and Catherine T. MacArthur Foundation today named Adam Riess of the
Space Telescope Science Institute (STScI) and the Johns Hopkins University among 25
new MacArthur Fellows for 2008. Riess is the leader of the seminal study for a team that
in 1998 co-discovered "dark energy," a mysterious repulsive force in the universe.